The correct answer is B.
OBJ-5.1: Ability to work iteratively and deliver incrementally: It is very easy to deliver benefits to the customer by regular partial deliveries of the final product. It is also very easy to work iteratively in the sense that products and understanding can be refined interactively by the frequent delivery of formal and informal deliverables. There is a desire to learn, experiment, and explore (and fail!) as well as an overarching feeling of ‘think big; start small’.